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authorArnd Bergmann <arnd@arndb.de>2013-04-08 18:00:45 +0200
committerArnd Bergmann <arnd@arndb.de>2013-04-08 18:00:45 +0200
commit8bd2bcf320cfd0e7118da61d186c8466a247ef62 (patch)
treed95f86afbfa833e46403b021d1ce71f6815e1978 /kernel/fork.c
parent21b3ac76b1bd31ec22bd00fff7d0259c86b8b957 (diff)
parent105612489bf59386b46b3f9f034e03f70e57aee6 (diff)
Merge tag 'omap-for-v3.10/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
From Tony Lindgren <tony@atomide.com>: Non critical omap fixes for v3.10 merge window. A big chunk of these fixes are needed to support omap5 es2 version that includes PM features while the earlier version es1 did not. * tag 'omap-for-v3.10/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: fix typo "CONFIG_BRIDGE_DVFS" ARM: OMAP1: remove "config MACH_OMAP_HTCWIZARD" ARM: OMAP: dpll: enable bypass clock only when attempting dpll bypass ARM: OMAP2+: powerdomain: avoid testing whether an unsigned char is less than 0 ARM: OMAP2+: hwmod: Remove unused _HWMOD_WAKEUP_ENABLED flag ARM: OMAP2+: am335x: Change the wdt1 func clk src to per_32k clk ARM: OMAP2+: AM33xx: hwmod: Add missing sysc definition to wdt1 entry Contains an update to 3.9-rc5 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 8d932b1c905..1766d324d5e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1141,6 +1141,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
return ERR_PTR(-EINVAL);
+ if ((clone_flags & (CLONE_NEWUSER|CLONE_FS)) == (CLONE_NEWUSER|CLONE_FS))
+ return ERR_PTR(-EINVAL);
+
/*
* Thread groups must share signals as well, and detached threads
* can only be started up within the thread group.
@@ -1807,7 +1810,7 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
* If unsharing a user namespace must also unshare the thread.
*/
if (unshare_flags & CLONE_NEWUSER)
- unshare_flags |= CLONE_THREAD;
+ unshare_flags |= CLONE_THREAD | CLONE_FS;
/*
* If unsharing a pid namespace must also unshare the thread.
*/